Home / 27,181.80-40,772.70-18,324.45

Finding the Fourth Proportional to 27,181.80, 40,772.70 and 18,324.45

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Solution

The fourth proportional to 27,181.80, 40,772.70 and 18,324.45 is: 27,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.80 : 40,772.70 = 18,324.45 : x
  2. Step 2: Convert to fraction form
    27,181.80/40,772.70 = 18,324.45/x
  3. Step 3: Cross multiply
    27,181.80x = 40,772.70 × 18,324.45
  4. Step 4: Simplify right side
    27,181.80x = 747,137,302.52
  5. Step 5: Solve for x
    x = 747,137,302.52/27,181.80
  6. Step 6: Final answer
    x = 27,486.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.